57197016 has 80 divisors (see below), whose sum is σ = 162943440. Its totient is φ = 18740160.

The previous prime is 57196949. The next prime is 57197039. The reversal of 57197016 is 61079175.

57197016 is a `hidden beast` number, since 571 + 9 + 70 + 16 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 38805 + ... + 40251.

It is an arithmetic number, because the mean of its divisors is an integer number (2036793).

Almost surely, 2^57197016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57197016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81471720).

57197016 is an abundant number, since it is smaller than the sum of its proper divisors (105746424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57197016 is a wasteful number, since it uses less digits than its factorization.

57197016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1526 (or 1513 counting only the distinct ones).

The product of its (nonzero) digits is 13230, while the sum is 36.

The square root of 57197016 is about 7562.8708834675. The cubic root of 57197016 is about 385.2930045902.

The spelling of 57197016 in words is "fifty-seven million, one hundred ninety-seven thousand, sixteen".